diff options
Diffstat (limited to 'qemu/tests/multiboot/mmap.c')
-rw-r--r-- | qemu/tests/multiboot/mmap.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/qemu/tests/multiboot/mmap.c b/qemu/tests/multiboot/mmap.c new file mode 100644 index 000000000..766b003f3 --- /dev/null +++ b/qemu/tests/multiboot/mmap.c @@ -0,0 +1,56 @@ +/* + * Copyright (c) 2013 Kevin Wolf <kwolf@redhat.com> + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include "libc.h" +#include "multiboot.h" + +int test_main(uint32_t magic, struct mb_info *mbi) +{ + uintptr_t entry_addr; + struct mb_mmap_entry *entry; + + (void) magic; + + printf("Lower memory: %dk\n", mbi->mem_lower); + printf("Upper memory: %dk\n", mbi->mem_upper); + + printf("\ne820 memory map:\n"); + + for (entry_addr = mbi->mmap_addr; + entry_addr < mbi->mmap_addr + mbi->mmap_length; + entry_addr += entry->size + 4) + { + entry = (struct mb_mmap_entry*) entry_addr; + + printf("%#llx - %#llx: type %d [entry size: %d]\n", + entry->base_addr, + entry->base_addr + entry->length, + entry->type, + entry->size); + } + + printf("\nmmap start: %#x\n", mbi->mmap_addr); + printf("mmap end: %#x\n", mbi->mmap_addr + mbi->mmap_length); + printf("real mmap end: %#x\n", entry_addr); + + return 0; +} |